diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index 96b8a23a705..1bad7a02f90 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -1269,7 +1269,7 @@
   color: white;
   padding: 2px 4px;
   margin: 1px 6px 0 0;
-  border: 1px solid lightGray;
+  border: 1px solid lightgrey;
   text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
   -moz-border-radius: 4px;
   -webkit-border-radius: 4px;
@@ -1301,7 +1301,7 @@
   transform: scale(1.1);
 }
 .openerp .oe_secondary_submenu .oe_active {
-  border-top: 1px solid lightGray;
+  border-top: 1px solid lightgrey;
   border-bottom: 1px solid #dedede;
   text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
   -moz-box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2), inset 0 -1px 3px rgba(40, 40, 40, 0.2);
@@ -2108,8 +2108,8 @@
 .openerp .oe_form_readonly .oe_edit_only, .openerp .oe_form_readonly .oe_form_field:empty {
   display: none !important;
 }
-.openerp .oe_form_editable .oe_read_only {
-    display: none !important;
+.openerp .oe_form_readonly .oe_read_only {
+  display: none !important;
 }
 .openerp .oe_form_readonly .oe_form .oe_form_field_date {
   width: auto;
@@ -2286,7 +2286,7 @@
 }
 .openerp .oe_form .oe_form_label_help[for] span, .openerp .oe_form .oe_form_label[for] span {
   font-size: 80%;
-  color: darkGreen;
+  color: darkgreen;
   vertical-align: top;
   position: relative;
   top: -4px;
@@ -2397,7 +2397,7 @@
   -moz-border-radius: 0px;
   -webkit-border-radius: 0px;
   border-radius: 0px;
-  color: #4C4C4C;
+  color: #4c4c4c;
 }
 .openerp .oe_form textarea.oe_inline[disabled] {
   border-left: 8px solid #eeeeee;
@@ -3267,10 +3267,6 @@ div.ui-widget-overlay {
   clear: both;
   text-align: center;
 }
-.openerp .oe_kanban_grouped {
-  position: relative;
-  z-index: 1;
-}
 .openerp_ie.oe_kanban_grouped .oe_kanban_show_more .oe_button {
   width: 100%;
   padding: 3px 12px;
diff --git a/addons/web/static/src/css/base.sass b/addons/web/static/src/css/base.sass
index 1e70d09e0fd..a9fa725b07c 100644
--- a/addons/web/static/src/css/base.sass
+++ b/addons/web/static/src/css/base.sass
@@ -1607,9 +1607,6 @@ $sheet-padding: 16px
 
 
     // }}}
-    .oe_kanban_grouped
-        position: relative
-        z-index: 1
     // Views Common {{{
     .oe_view_nocontent
         padding: 15px
@@ -1898,7 +1895,7 @@ $sheet-padding: 16px
             padding-left: 8px
             @include box-shadow(none)
             @include radius(0px)
-            color: #4C4C4C
+            color: #4c4c4c
         textarea.oe_inline[disabled]
             border-left: 8px solid #eee
         .oe_form_field_url button img
diff --git a/addons/web_kanban/static/src/css/kanban.css b/addons/web_kanban/static/src/css/kanban.css
index fee8a3642f1..1c30f752a86 100644
--- a/addons/web_kanban/static/src/css/kanban.css
+++ b/addons/web_kanban/static/src/css/kanban.css
@@ -3,6 +3,27 @@
   background: white;
   height: inherit;
 }
+.openerp .oe_kanban_view .oe_view_nocontent {
+  position: relative;
+  z-index: 1;
+  max-width: none;
+  height: 100%;
+}
+.openerp .oe_kanban_view .oe_view_nocontent .oe_view_nocontent_content {
+  margin-left: 90px;
+  margin-top: 5px;
+  max-width: 700px;
+}
+.openerp .oe_kanban_view .oe_view_nocontent .oe_view_nocontent_bg {
+  background: #eeeeee;
+  opacity: 0.7;
+  position: absolute;
+  top: 0;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  z-index: -1;
+}
 .openerp .oe_kanban_view.oe_kanban_grouped .oe_kanban_dummy_cell {
   background: url(/web/static/src/img/form_sheetbg.png);
   width: 100%;
@@ -101,15 +122,6 @@
   overflow: hidden;
   text-overflow: ellipsis;
 }
-.openerp .oe_kanban_view .oe_kanban_group_length {
-  text-align: center;
-  display: none;
-}
-.openerp .oe_kanban_view .oe_kanban_group_length .oe_tag {
-  position: relative;
-  top: +8px;
-  font-weight: bold;
-}
 .openerp .oe_kanban_view .oe_fold_column .oe_kanban_group_length {
   position: absolute;
   top: -1px;
@@ -117,9 +129,6 @@
   float: right;
   display: block;
 }
-.openerp .oe_kanban_view .oe_kanban_header:hover .oe_kanban_group_length {
-  display: none;
-}
 .openerp .oe_kanban_view.oe_kanban_grouped .oe_kanban_column, .openerp .oe_kanban_view.oe_kanban_grouped .oe_kanban_group_header {
   width: 185px;
   min-width: 185px;
@@ -159,8 +168,7 @@
 .openerp .oe_kanban_view .oe_kanban_group_folded .oe_kanban_group_title, .openerp .oe_kanban_view .oe_kanban_group_folded.oe_kanban_column *, .openerp .oe_kanban_view .oe_kanban_group_folded .oe_kanban_aggregates, .openerp .oe_kanban_view .oe_kanban_group_folded .oe_kanban_add {
   display: none;
 }
-.openerp .oe_kanban_view .oe_kanban_group_folded .oe_kanban_group_title_vertical,
-.openerp .oe_kanban_view .oe_kanban_group_folded .oe_kanban_group_length {
+.openerp .oe_kanban_view .oe_kanban_group_folded .oe_kanban_group_title_vertical, .openerp .oe_kanban_view .oe_kanban_group_folded .oe_kanban_group_length {
   display: block;
 }
 .openerp .oe_kanban_view .oe_kanban_group_folded .oe_dropdown_kanban {
@@ -631,28 +639,6 @@
   background: white;
 }
 
-.openerp .oe_kanban_view .oe_view_nocontent {
-  position: relative;
-  z-index: 1;
-  max-width: none;
-  height: 100%;
-}
-.openerp .oe_kanban_view .oe_view_nocontent .oe_view_nocontent_content {
-  margin-left: 90px;
-  margin-top: 5px;
-  max-width: 700px;
-}
-.openerp .oe_kanban_view .oe_view_nocontent .oe_view_nocontent_bg {
-  background: #eee;
-  opacity: 0.7;
-  position: absolute;
-  top: 0;
-  bottom: 0;
-  left: 0;
-  right: 0;
-  z-index: -1;
-}
-
 .openerp .oe_popup_form .oe_kanban_buttons .oe_highlight {
   color: #404040;
   background: none;